Quick answers
- Does Joseph Zibulewsky accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph Zibulewsky accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Joseph Zibulewsky see?
- In 2024, CMS data shows 668 Original Medicare patients and 787 services for Joseph Zibulewsky. This counts Original Medicare only and measures volume, not quality.
- What is Joseph Zibulewsky's NPI number?
- 1679519532. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Joseph Zibulewsky, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 668 |
|---|---|
| Services billed to Medicare | 787 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)418 services
- Emergency department visit with moderate level of medical decision making (99284)187 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)70 services
- Emergency department visit with low level of medical decision making (99283)59 services
- Critical care, first 30-74 minutes (99291)13 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes47%
- Ischemic heart disease46%
- Heart failure39%
Hospitals where Joseph Zibulewsky works
Medicare's Facility Affiliation Data lists Joseph Zibulewsky at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mountainview HospitalLas Vegas, NV · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 290039
- Southern Hills Hospital and Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 290047
- St Joseph's Medical Center of StocktonStockton, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050084
- The Corpus Christi Medical CenterCorpus Christi, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450788
- UCLA West Valley Medical CenterWest Hills, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050481
Practice locations
Addresses where Joseph Zibulewsky is enrolled with Medicare (CMS data updated October 2, 2026).
- 1800 N California StStockton, CA 95204 (209) 467‑6556
- 3100 N Tenaya WayLas Vegas, NV 89128 (856) 686‑4394
- 6700 W Ih, 10 Methodist Hospital TexsanSan Antonio, TX 78201 (210) 736‑6700
- 9300 W Sunset RdLas Vegas, NV 89148 (702) 880‑2800
Group practices
Medicare enrollment lists Joseph Zibulewsky as a member of these groups (CMS data updated October 2, 2026).
- Emergency Medicine Services of TX, PLLC400 clinicians in the group
- Fremont Emergency Services Scherr Ltd133 clinicians in the group
- San Francisco Physicians International Medical Group Inc41 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Stockton
Clinicians with the same Medicare primary specialty in Stockton, CA — not a recommendation.
Other clinicians in Emergency Medicine Services of TX, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679519532 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians